修改前端漏斗

onchain_scout_gate/tests/test_funnel_window.py

@@ -0,0 +1,13 @@
+from datetime import datetime, timedelta
+
+from app.web import _filter_alerts_within_hours
+
+
+def test_filter_alerts_within_hours_keeps_recent() -> None:
+    now = datetime.utcnow()
+    alerts = [
+        {"symbol": "BTC", "created_at": (now - timedelta(hours=1)).isoformat()},
+        {"symbol": "ETH", "created_at": (now - timedelta(hours=30)).isoformat()},
+    ]
+    out = _filter_alerts_within_hours(alerts, within_hours=24.0)
+    assert [a["symbol"] for a in out] == ["BTC"]